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ANATOMY > ANATOMY OF HEAD AND NECK > Flashcards

ANATOMY OF HEAD AND NECK Flashcards

1
Q

skull functions

A

protects brain & entrances to respi and gi tracts

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2
Q

types of skull bones and number

A

22 bones
cranial: 8
facial: 14

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3
Q

paired cranial bones

A

parietal
temporal

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4
Q

unpaired facial bones

A

vomer
mandible

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5
Q

associated bones of skull

A

ear ossicles
hyoid

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6
Q

suture separating parietals

A

sagittal suture

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7
Q

suture separating parietal & occipital

A

lambdoid

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8
Q

suture separating parietal & temporal

A

squamous

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9
Q

suture separating parietal & frontal

A

coronal

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10
Q

components of zygomatic arch

A

styloid process
zygomatic process of temporal bone
temporal process of zygomatic bone

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11
Q

bony nasal septum is made of

A

perpendicular plate of ethmoid & vomer

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12
Q

frontal bone makes up

A

forehead & upper eye orbits

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13
Q

parietal bone makes up

A

roof & sides of cranium

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14
Q

temporal bone makes up

A

floor & sides of cranium

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15
Q

sphenoid bone makes up

A

base, sides of cranium, parts of orbits

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16
Q

ethmoid bone makes up

A

walls of nasal cavities, floor & orbits

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17
Q

occipital bone makes up

A

back & base of cranium

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18
Q

articulations of occipital bone

A

parietal
temporal
sphenoid
atlas

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19
Q

marks of occipital bone

A

ext. occipital protuberance
ext. occipital crest

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20
Q

special features of occipital bone

A

foramen magnum
occipital condyles

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21
Q

parts of temporal bone

A

squamous
tympanic
Petro mastoid
styloid process
zygomatic process

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22
Q

squamous part of temporal bone is also known as

A

squama temporalis

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23
Q

largest part of temporal bone

A

squamous

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24
Q

articulations of squamous part of temporal bone

A

anterior: sphenoid
lateral: parietal

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25
Q

what is auricular tubercle

A

anterior boundary of mandibular fossa, part of TMJ

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26
Q

lateral surface of zygomatic process has fibers of what muscle

A

masseter

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27
Q

which part of temporal bone surrounds the external auditory opening

A

tympanic part

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28
Q

styloid process is attachment point for which structure

A

stylomandibular ligament of TMJ

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29
Q

reservoir of air in the temporal bone

A

mastoid air cells

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30
Q

function of mastoid air cells

A

equalise pressure within middle ear in case of auditory tube dysfunction

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31
Q

inner ear is contained in what structure

A

petrous part of temporal bone

32
Q

special features of temporal bone

A

zygomatic process
styloid process
mastoid process
external auditory meatus

33
Q

muscle that originates from the lower part of squamous

A

temporalis

34
Q

inner surface of parietal bone has grooves for what structure

A

middle meningeal artery

35
Q

parietal bone has grooves for which sinuses

A

sigmoid sinus
superior sagittal sinus

36
Q

parts of frontal bone

A

squamous
orbital
nasal

37
Q

largest part of frontal bone

A

squamous

38
Q

what structures pass through supraorbital notch

A

supraorbital vessels & nerves

39
Q

smooth elevated surface above nasal root is known as

A

glabella

40
Q

attachment site for superior oblique muscle

A

trochlear spine

41
Q

openings of orbital part of frontal bone

A

anterior ethmoidal foramen
posterior ethmoidal foramen

42
Q

two masses of ethmoidal bone are joined horizontally by

A

cribriform plate

43
Q

bulk of nasal septum is formed by

A

perpendicular plate of ethmoid bone

44
Q

delicate scroll shaped plates that project toward the perpendicular plate of ethmoid bone

A

superior and middle nasal conchae

45
Q

butterfly shaped bone

A

sphenoid bone

46
Q

parts of sphenoid bone

A

body
greater & lesser wings
pterygoid processes

47
Q

sphenoidal sinuses are in which part of sphenoid bone

A

body

48
Q

bony landmarks on the superior surface of sphenoid bone

A

sella turcica
chiasmatic groove

49
Q

parts of sella turcica

A

tuberculum sellae
hypophyseal fossa
dorsum sellae

50
Q

sella turcica is surrounded by

A

anterior & posterior clinoid processes

51
Q

pituitary gland is located in

A

hypophyseal fossa

52
Q

chiasmatic groove is formed by

A

optic chiasm

53
Q

H-shaped suture that connects frontal, parietal, sphenoid and temporal bones

A

Pterion

54
Q

posterior aspect of skull is known as

A

occiput

55
Q

easily palpable elevation in the medial plane of occiput

A

inion

56
Q

what structure is present on the either side of inion

A

superior nuchal lines

57
Q

junction of lambdoid & sagittal sutures

A

lambda

58
Q

superior aspect of skull is formed by

A

frontal bones, R & L parietal bones, occipital bone (calvaria)

59
Q

sutures found in superior aspect of skull

A

coronal
sagittal
lambdoid

60
Q

junction of coronal & sagittal sutures

A

bregma

61
Q

depressions of the internal aspect of skull

A

anterior, middle & posterior cranial fossae

62
Q

shallowest cranial fossa

A

anterior cranial fossa

63
Q

anterior cranial fossa is made of

A

frontal, ethmoid, body and greater wings of sphenoid

64
Q

anterior cranial fossa is occupied by which brain lobes

A

inferior and anterior frontal lobes

65
Q

butterfly shaped fossa

A

middle cranial fossa

66
Q

middle cranial fossa is formed by

A

greater wings of sphenoid
squamous & petrous parts of temporal bone

67
Q

middle cranial fossa supports which brain lobes

A

temporal

68
Q

largest and deepest cranial fossa

A

posterior cranial fossa

69
Q

posterior cranial fossa protects which brain structures

A

cerebellum, pons, medulla oblongata

70
Q

posterior cranial fossa is formed by

A

occipital bones
dorsum sella
petrous & mastoid parts of temporal bone

71
Q

foramina/apertures of anterior cranial fossa

A

foramen cecum
foramina of cribriform plate
anterior & posterior ethmoidal foramina

72
Q

contents of foramen cecum

A

nasal emissary vein

73
Q

contents of foramina of cribriform plate

A

axons of olfactory cells

74
Q

contents of anterior & posterior ethmoidal foramen

A

anterior & posterior ethmoidal vessels & nerves

75
Q
A

ANATOMY (4 decks)

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